Permafrost Vocabularies

IPA Permafrost Glossary

Instance URI: http://w3id.org/permafrost/v/ipaglossary/scheme

Glossary of permafrost and related ground-ice terms. French translations obtained from the NRC Terminologie du pergélisol (Brown & Kupsch, 1979)

ns3:title	IPA Permafrost Glossary
Description	Glossary of permafrost and related ground-ice terms. French translations obtained from the NRC Terminologie du pergélisol (Brown & Kupsch, 1979)
Modified	2022-10-25 xsd:date
Created	2022-10-25 xsd:date
References	ns4:69fb8993-1baa-4225-b33a-6a02341d383d
Source	https://doi.org/10.4224/20386561 xsd:anyURI
owl:versionInfo	1
Concepts	active air-cooled thermal pile active construction methods in permafrost active ice wedge active layer active liquid refrigerant pile active rock glacier active thermokarst active-layer failure active-layer thickness adfreeze strength adfreeze/adfreezing aggradational ice air freezing index air thawing index alas/alass albedo altitudinal limit of permafrost altitudinal zonation of permafrost anti-syngenetic ice wedge apparent heat capacity approximate freezing index approximate thawing index artificial ground freezing banded cryogenic fabric barrens basal cryopeg basal cryostructure basal-layered cryostructure beaded stream block field bottom temperature of snow cover (BTS) BTS method buried ice cave ice closed talik closed-cavity ice closed-system freezing closed-system pingo coefficient of compressibility collapse scar composite wedge conglomeric cryogenic fabric construction methods in permafrost continuous permafrost continuous permafrost zone creep of frozen ground creep strength crust-like cryostructure cryofront cryogenesis cryogenic aquiclude cryogenic fabric cryogenic temperature cryolithology cryopedology cryopeg cryoplanation cryoplanation terrace cryosol cryosphere cryostructure cryosuction cryotexture cryotic ground cryoturbate cryoturbation debris flow deformability degree of saturation degree-day (C or F) delayed strength density of frozen ground depth of seasonal frost penetration depth of thaw depth of zero annual amplitude desiccation crack desiccation polygon design depth of frost penetration design freezing index design thawing index detachment failure dielectric constant dilation crack dilation crack ice discontinuous permafrost discontinuous permafrost zone disequilibrium permafrost drunken forest dry density dry frozen ground dry permafrost dynamic modulus of elasticity dynamic Poisson's ratio earth hummock electrical conductivity electrical properties of frozen ground electrical resistivity epigenetic ice epigenetic ice wedge epigenetic permafrost equilibrium permafrost excess ice extensive discontinuous permafrost fabric fragmic cryogenic fabric fragmoidal cryogenic fabric free water freeze-thaw cycle freezeback freezing (of ground) freezing front freezing index freezing point freezing pressure freezing-point depression friable permafrost frost frost action frost blister frost boil frost bulb frost creep frost heave frost jacking frost mound frost penetration frost phenomena frost shattering frost sorting frost weathering frost wedging frost-heave extent frost-stable ground frost-stable soil frost-susceptible ground frost-susceptible soil frozen fringe frozen ground gas hydrate gelifluction geocryology geothermal gradient geothermal heat flux granic cryogenic fabric granoidic cryogenic fabric gravimetric (total) water content ground ice hard frozen ground heat capacity heaving pressure high-centre polygon hydraulic conductivity hydraulic diffusivity hydraulic thawing hydrochemical talik hydrothermal talik ice ice content ice lens ice segregation ice vein ice wedge ice-bearing permafrost ice-bonded permafrost ice-cored topography ice-nucleation temperature ice-rich permafrost ice-wedge cast ice-wedge polygon iciness icing icing blister icing glade icing mound inactive ice wedge inactive rock glacier interfacial water intermediate discontinuous permafrost intrapermafrost water intrusive ice isoband cryogenic fabric isolated cryopeg isolated patches of permafrost isolated talik kurum lake talik latent heat (of fusion) lateral talik latitudinal limit of permafrost latitudinal zonation of permafrost layered cryostructure lens ice lens-type cryostructure long-term strength low-centre polygon macro-scale polygons marine cryopeg mass wasting massive cryostructure massive ice massive-agglomerate cryostructure massive-porous cryostructure mean annual ground temperature (MAGT) mean annual ground-surface temperature (MAGST) mechanical properties of frozen ground mechanical strength micro-scale polygon minerogenic palsa mountain permafrost mud circle multiple retrogressive slide n-factor needle ice noncryotic ground nonsorted circle nonsorted net nonsorted polygon nonsorted step nonsorted stripe onshore permafrost open talik open-cavity ice open-system freezing open-system pingo orbiculic cryogenic fabric organic cryosol oriented lake palsa palsa bog partially-bonded permafrost passive construction methods in permafrost passive single-phase thermal pile passive two-phase thermal pile patterned ground peat peat hummock peat plateau peatland pereletok periglacial periglacial phenomena periglacial processes permacrete permafrost permafrost aggradation permafrost base permafrost boundary permafrost degradation permafrost limit permafrost region permafrost table permafrost thickness permafrost zone pingo pingo ice pingo remnant pingo scar planetary permafrost plastic frozen ground Poisson's ratio polygon polygon trough polygonal pattern polygonal peat plateau poorly-bonded permafrost pore ice pore water pressure-melting relative permittivity relict active layer relict ice relict permafrost residual stress residual thaw layer reticulate cryostructure reticulate ice reticulate-blocky cryostructure retrogressive thaw slump river talik rock glacier saline permafrost salinity sand wedge sand-wedge polygon seasonal freezing index seasonal frost seasonal thawing index seasonally frozen ground seasonally frozen layer (SFL) seasonally thawed ground seasonally thawed layer (STL) seasonally-active permafrost segregated ice segregation potential short-term strength single-phase thermosyphon snow snowcover snowdrift snowline snowmelt snowpatch soil wedge solifluction solifluction apron solifluction features solifluction lobe solifluction sheet solifluction terrace sorted circle sorted net sorted polygon sorted step sorted stripe specific heat capacity sporadic discontinuous permafrost static cryosol stone garland stone-banked (solifluction) lobe stone-banked (solifluction) terrace stony earth circle string fen subglacial permafrost subglacial talik sublimation ice subpermafrost water subsea permafrost subsea talik supercooling suprapermafrost water surface freezing index surface thawing index suscitic cryogenic fabric syngenetic ice syngenetic ice wedge syngenetic permafrost talik temperature profile thaw basin thaw bulb thaw consolidation thaw consolidation ratio thaw penetration thaw settlement thaw sink thaw slumping thaw strain thaw unconformity thaw weakening thaw-sensitive permafrost thaw-stable permafrost thawed ground thawing (of frozen ground) thawing front thawing index thermal conductivity thermal diffusivity thermal erosion thermal expansion (or contraction) coefficient thermal pile thermal properties of frozen ground thermal regime of the ground thermal talik thermal-contraction crack thermal-contraction-crack ice thermo-erosional cirque thermo-erosional niche thermokarst thermokarst lake thermokarst mound thermokarst terrain thermosyphon thufur total annual freezing index total annual thawing index total water content (of frozen ground) transient talik tundra turbic cryosol turf hummock turf-banked (solifluction) lobe turf-banked (solifluction) terrace two-layer permafrost two-phase thermosyphon unfrozen ground unfrozen water content upward freezing vein ice volumetric (total) water content volumetric heat capacity volumetric latent heat of fusion waterbody encircling a palsa wedge ice well-bonded permafrost Young's modulus zero curtain zone of gas-hydrate stability

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